Unless you’re doing something silly a button can’t be more than a hundred bytes or so. That’s only significant on a 90s era cell phone.
Then again most browsers have a print button.
Then again most browsers have a print button.
Every time a new rule was added, you had to wait up to 24 hours for the css servers to propagate.
You have to delete something every once in a while to make room for something new.
If you want to read the data behind many of the decisions, read these papers [0].